zadanie 9. . przykłady b) d) e )f)
załącznij jest.; D
b)1/4x-(4+1/2x)=-2
1/4x-4-1/2x=-2
1/4x-1/2x=-2+4
-1/4x=2 /:(-4)
x=-8
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b)1/4x-(4+1/2x)=-2
1/4x-4-1/2x=-2
1/4x-1/2x=-2+4
-1/4x=2 /:(-4)
x=-8